As tangelos go, the Minneola tends to be pretty large and is usually bell or pear-shaped. Diameter of the fruit averages about 3 inches (7.62 cm), though some can grow a bit larger. The peel is somewhat thin, but like most tangelos and mandarin oranges, it is pretty easy to peel.
Space Exploration Definition. space exploration. 1  Space exploration is the use of astronomy and space technology to explore outer space. 2  Physical exploration of space is conducted both by human spaceflights and by robotic spacecraft.
Outline of space science. Space science encompasses all of the scientific disciplines involved in space exploration and studying phenomena occurring in outer space, such as space medicine and astrobiology. Contents.